Patient interface



FIG. 1 is a front perspective view of a patient interface according to our new design;

FIG. 2 is a reverse perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines represent environmental structure and are for illustrative purposes only; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a patient interface, as shown and described. 